[bits 16]
[org 0x7c00]
cli
jmp 0:real_start
real_start:
    xor ax, ax
    mov ds, ax
    mov ss, ax
    mov sp, 0x8000
    mov bp, sp

push 'A'
push 'B'

align 16

mov ah, 0x0e
mov bx, 0x0001
pop cx
mov al, cl
int 0x10

mov ah, 0x0e
mov bx, 0x0001
pop cx
mov al, cl
int 0x10

jmp $

times 510 - ($ - $$) db 0x00

dw 0xaa55
